# chapter1

**Hardware specification** 

| CPU                       | A20 ARM Cortex™-A7 Dual-Core                                                                                              |
| ------------------------- | ------------------------------------------------------------------------------------------------------------------------- |
| GPU                       | ARM Mali400MP2Complies with OpenGL ES 2.0/1.1                                                                             |
| Memory                    | (SDRAM)    1GB DDR3 (shared with GPU)                                                                                     |
| Onboard Storage           | SD (Max. 64GB) / MMC card slot UP to 2T on 2.5 SATA disk                                                                  |
| Onboard Network           | 10/100/1000 Ethernet RJ45,optional WIFI                                                                                   |
| Video Input               | A CSI input connector allows for the connection of a designed camera module                                               |
| Video Outputs             | HDMI, CVBS , LVDS/RGB                                                                                                     |
| Audio Output              | 3.5 mm Jack and HDMI                                                                                                      |
| Power Source              | 5 volt via MicroUSB(DC In Only) and/or MicroUSB (OTG)                                                                     |
| USB 2.0 Ports             | 2 (direct from Allwinner A20 chip)                                                                                        |
| Buttons                   | Reset button: Next to MicroUSB connector,Power button: Next to Reset button,Boot button (Optional): Behind HDMI connector |
| GPIO(2X13) pin            | GPIO,UART,I2C bus,SPI bus with two chip selects,CAN bus,ADC,PWM,+3.3v,+5v,ground.                                         |
| LED                       | Power Key & RJ45                                                                                                          |
| Remote                    | IR (Optional)                                                                                                             |
| OS                        | Android 4.2, Linux etc. OS                                                                                                |
| Product size              | 92 mm × 60mm                                                                                                              |
| Weight                    | 48g                                                                                                                       |
| working temperature range | -15\~75℃                                                                                                                  |


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